How many nickels does he need to weigh


A study of nickels showed that the standard deviation of the weight of nickels is 300 milligrams. A coin counter manufacturer wishes to find the 90% confidence interval for the average weight of a nickel. How many nickels does he need to weigh to obtain an average accurate to within 10 milligrams?

Request for Solution File

Ask an Expert for Answer!!
Basic Statistics: How many nickels does he need to weigh
Reference No:- TGS0122834

Expected delivery within 24 Hours